Resubmissions

09-10-2024 19:31

241009-x8h2eawgpc 10

09-10-2024 19:27

241009-x6cfvawgjc 10

General

  • Target

    VBR.exe

  • Size

    7.6MB

  • Sample

    241009-x6cfvawgjc

  • MD5

    81711a07e09960fb3cff42a395a0d6da

  • SHA1

    a0ee96f364149e8b49758773106916accd212f83

  • SHA256

    ee67215d30e8b08d54518f88ecdb0fdbb7f2791960c0021f799d122c745608e7

  • SHA512

    f68faef3d59878c52011c77ad7e66c5e7bae5ce3c435635bacd78c1f8efea682fec688f2676d55130e268dbc3a4261c518029dbae36527e356507d3636869cc1

  • SSDEEP

    196608:Hyd0cDeQLjv+bhqNVoBKUh8mz4Iv9Pfu1D7c:9ieAL+9qz8/b4INuRc

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Targets

    • Target

      VBR.exe

    • Size

      7.6MB

    • MD5

      81711a07e09960fb3cff42a395a0d6da

    • SHA1

      a0ee96f364149e8b49758773106916accd212f83

    • SHA256

      ee67215d30e8b08d54518f88ecdb0fdbb7f2791960c0021f799d122c745608e7

    • SHA512

      f68faef3d59878c52011c77ad7e66c5e7bae5ce3c435635bacd78c1f8efea682fec688f2676d55130e268dbc3a4261c518029dbae36527e356507d3636869cc1

    • SSDEEP

      196608:Hyd0cDeQLjv+bhqNVoBKUh8mz4Iv9Pfu1D7c:9ieAL+9qz8/b4INuRc

    • Bdaejec

      Bdaejec is a backdoor written in C++.

    • Detects Bdaejec Backdoor.

      Bdaejec is backdoor written in C++.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Stops running service(s)

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks